Finding the Fourth Proportional to 2,812,857.84, 3,882,030.84 and 2,028,567.24
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Solution
The fourth proportional to 2,812,857.84, 3,882,030.84 and 2,028,567.24 is: 2,799,629.78
Step by Step Solution
- Step 1: Write the proportion equation
2,812,857.84 : 3,882,030.84 = 2,028,567.24 : x - Step 2: Convert to fraction form
2,812,857.84/3,882,030.84 = 2,028,567.24/x - Step 3: Cross multiply
2,812,857.84x = 3,882,030.84 × 2,028,567.24 - Step 4: Simplify right side
2,812,857.84x = 7,874,960,586,693.68 - Step 5: Solve for x
x = 7,874,960,586,693.68/2,812,857.84 - Step 6: Final answer
x = 2,799,629.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.